IO-DI8-RO4, IO-DI8-RO4-L
I / O E x p a n s i o n M o d u l e s
7/03
8
Unitronics Industrial Automation
About Unitronics
Unitronics Industrial Automation Systems has been producing PLCs, automation software and accessory
devices since 1989.
Unitronics’ OPLC controllers combine full-function PLCs and HMI operating panels into single, compact units.
These HMI + PLC devices are programmed in a single, user-friendly environment. Our clients save I/O points,
wiring, space, and programming time; elements that translate directly into cost-efficiency.
Unitronics supports a global network of distributors and sales representatives, as well as a U.S. subsidiary.
For more information regarding Unitronics products, contact your distributor, Unitronics headquarters via email:
, or visit the Unitronics website at
Under no circumstances will Unitronics be liable or responsible for any consequential damage that may
arise as a result of installation or use of this equipment, and is not responsible for problems resulting
from improper or irresponsible use of this device.
No part of this document may be used for any purpose other than for the purposes specifically indicated
herein nor may it be reproduced or transmitted in any form or by any means, electronic or mechanical,
including photocopying and/or recording, for any purpose without written permission from Unitronics.
The information appearing in this document is for general purposes only. Unitronics makes no warranty
of any kind with regard to the information appearing in this document, including, but not limited to,
0implied warranties of merchantability and/or fitness for a particular use or purpose. Unitronics assumes
no responsibility for the results, direct and/or indirect, of any misuse of the information appearing in this
document nor for any use of the Unitronics products referred to herein in any manner deviating from the
recommendations made in this document. Unitronics assumes no responsibility for the use of any parts,
components, or other ancillary appliances including circuitry other than as recommended hereunder or
other than that embodied in the Unitronics product.
Unitronics retains all rights to its proprietary assets including, but not limited to its software products
which are copyrighted and shall remain the property of Unitronics. Copyright protection claimed includes
all Forms and matters of copyrightable materials and information legally allowed including but not limited
to material generated from the software programs which are displayed on the screen of the Unitronics
products such as styles, templates, icons, screen displays, looks, etc. Duplication and/or any
unauthorized use thereof are strictly prohibited without prior written permission from Unitronics.
All brand or product names are used for identification purpose only and may be trademarks or registered
trademarks of their respective holders.
Unitronics reserves the right to revise this publication from time to time and to amend its contents and
related hardware and software at any time. Technical updates (if any) may be included in subsequent
editions (if any).
Unitronics product sold hereunder can be used with certain products of other manufacturers at the user’s
sole responsibility.
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